@article {Olson31A, author = {Kenneth R. Olson and Lois Wright Morton}, title = {Dredging of the fractured bedrock{\textendash}lined Mississippi River Channel at Thebes, Illinois}, volume = {69}, number = {2}, pages = {31A--35A}, year = {2014}, doi = {10.2489/jswc.69.2.31A}, publisher = {Soil and Water Conservation Society}, issn = {0022-4561}, URL = {https://www.jswconline.org/content/69/2/31A}, eprint = {https://www.jswconline.org/content/69/2/31A.full.pdf}, journal = {Journal of Soil and Water Conservation} }